#!/usr/bin/env python# -*- coding: utf-8 -*-'''改进的日志类：1. 使用format对象，就不用自己采集环境信息，库可以采集信息2. 将多个handler绑定到一个logger上，且每个handler设置相应级别   日志会产生多份，每个handler只记录自己的级别和含高于自己级别的日志3. 还是需要inspect库采集环境信息，因为logging的API被封装过了，   format只能采集直接调用logging模块API的函数信息'''import osimport sysimport timeimport loggingimport inspecthandlers = {logging.NOTSET:"/tmp/TNLOG-notset.log",            logging.INFO:"/tmp/TNLOG-info.log",            logging.DEBUG:"/tmp/TNLOG-debug.log",            logging.WARNING:"/tmp/TNLOG-warning.log",            logging.ERROR:"/tmp/TNLOG-error.log",            logging.CRITICAL:"/tmp/TNLOG-critical.log"}def createHandlers():    logLevels = handlers.keys()    '''日志格式：[时间] [类型] [记录代码] 信息'''    fmt = '[%(asctime)s] [%(levelname)s] %(message)s '    formatter = logging.Formatter(fmt)    for level in logLevels:        path = os.path.abspath(handlers[level])        print path        handlers[level] = logging.FileHandler(path)        handlers[level].setLevel(level)        handlers[level].setFormatter(formatter) #加载模块时创建全局变量createHandlers()class TNLog(object):    '''TNLog.constant'''    NOTSET = logging.NOTSET    INFO = logging.INFO    DEBUG = logging.DEBUG    WARNING = logging.WARNING    ERROR = logging.ERROR    CRITICAL = logging.CRITICAL        def __init__(self,setLevel=logging.NOTSET):        self.__loggers = logging.getLogger()        logLevels = handlers.keys()        for level in logLevels:            self.__loggers.addHandler(handlers[level]) #将多个handler绑到一个logger上        self.__loggers.setLevel(setLevel)            def addCallingPointInfo(self,message):        frame,filename,lineNo,functionName,code,iUnknowField = inspect.stack()[2]        '''[文件名 - 行数 - 函数名] 信息'''        return "[%s - %s - %s] %s" %(filename,lineNo,functionName,message)        def info(self,message):        message = self.addCallingPointInfo(message)        self.__loggers.info(message)        def error(self,message):        message = self.addCallingPointInfo(message)        self.__loggers.error(message)        def warning(self,message):        message = self.addCallingPointInfo(message)        self.__loggers.warning(message)        def debug(self,message):        message = self.addCallingPointInfo(message)        self.__loggers.debug(message)        def critical(self,message):        message = self.addCallingPointInfo(message)        self.__loggers.critical(message)        #全局loggerlogger = TNLog(TNLog.DEBUG)def getLogger():    return loggerif __name__ == "__main__":    logger = getLogger()    logger.debug("debug")    logger = getLogger()    logger.info("info")    logger = getLogger()    logger.warning("warning")    logger = getLogger()    logger.error("error")    logger = getLogger()    logger.critical("critical")